poundaln. 磅達(力的單位)學術名詞磅達:力學、計量學、電機工程、電力工程、機械工程、化學工程磅達{單位}:物理學英文釋義a unit of force equal to the force that imparts an acceleration of 1 foot/sec/sec to a mass of 1 pound; equal to 0.1382 newtons